Still no usable resolution from this group... looking for help.
Having installed from this link:
https://developer.apple.com/download/universal/
This version of Xcode 12.2 beta still gives the same error:
Applications/Xcode-beta.app/Contents/MacOS/Xcode
2020-09-19 18:53:57.325 Xcode[4040:113313] [MT] DVTPlugInLoading: Failed to load code for plug-in com.apple.dt.IDE.IDEiOSSupportCore (/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin), error = Error Domain=NSCocoaErrorDomain Code=3587 "dlopenpreflight(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture" UserInfo={NSLocalizedFailureReason=The bundle is damaged or missing necessary resources., NSLocalizedRecoverySuggestion=Try reinstalling the bundle., NSFilePath=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore, NSDebugDescription=dlopenpreflight(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture, NSBundlePath=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin, NSLocalizedDescription=The bundle “IDEiOSSupportCore” couldn’t be loaded because it is damaged or missing necessary resources.}, dyldError = dlopen(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore, 0): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
2020-09-19 18:53:57.325 Xcode[4040:113313] [MT] DVTAssertions: Warning in /Library/Caches/com.apple.xbs/Sources/IDEFrameworks/IDEFrameworks-17512.1/IDEFoundation/Initialization/IDEInitialization.m:355
Details: Xcode failed its initial plug-in scan, error = Error Domain=DVTPlugInErrorDomain Code=2 "Loading a plug-in failed." UserInfo={DVTPlugInIdentifierErrorKey=com.apple.dt.IDE.IDEiOSSupportCore, DVTPlugInExecutablePathErrorKey=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore, NSLocalizedRecoverySuggestion=The plug-in or one of its prerequisite plug-ins may be missing or damaged and may need to be reinstalled., DVTPlugInDYLDErrorMessageErrorKey=dlopen(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore, 0): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture, NSLocalizedDescription=Loading a plug-in failed., NSFilePath=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin, NSLocalizedFailureReason=The plug-in “com.apple.dt.IDE.IDEiOSSupportCore” at path “/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin” could not be loaded. The plug-in or one of its prerequisite plug-ins may be missing or damaged., NSUnderlyingError=0x15fd245d0 {Error Domain=NSCocoaErrorDomain Code=3587 "dlopenpreflight(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture" UserInfo={NSLocalizedFailureReason=The bundle is damaged or missing necessary resources., NSLocalizedRecoverySuggestion=Try reinstalling the bundle., NSFilePath=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore, NSDebugDescription=dlopenpreflight(/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore): Library not loaded: /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice
Referenced from: /Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin/Contents/MacOS/IDEiOSSupportCore
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture
/Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice: mach-o, but wrong architecture, NSBundlePath=/Applications/Xcode-beta.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin, NSLocalizedDescription=The bundle “IDEiOSSupportCore” couldn’t be loaded because it is damaged or missing necessary resources.}}}
Function: BOOL IDEInitializePlugInManager(IDEInitializationOptions, NSError *_autoreleasing *)
Thread: <NSThread: 0x15a629620>{number = 1, name = main}
Please file a bug at https://feedbackassistant.apple.com with this warning message and any useful information you can provide.